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1 package org.apache.turbine.services.intake.model; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Turbine" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache Turbine", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 import org.apache.turbine.services.intake.validator.FileValidator; 58 import org.apache.turbine.services.intake.validator.ValidationException; 59 import org.apache.turbine.services.intake.xmlmodel.XmlField; 60 import org.apache.turbine.util.ParameterParser; 61 import org.apache.turbine.util.RunData; 62 import org.apache.turbine.util.TurbineException; 63 import org.apache.turbine.util.upload.FileItem; 64 65 /*** 66 * 67 * @version $Id: FileItemField.java,v 1.3 2002/07/11 16:53:27 mpoeschl Exp $ 68 */ 69 public class FileItemField extends Field 70 { 71 72 public FileItemField(XmlField field, Group group) 73 throws Exception 74 { 75 super(field, group); 76 } 77 78 /*** 79 * Sets the default value for an FileItemField 80 */ 81 82 protected void setDefaultValue(String prop) 83 { 84 defaultValue = prop; 85 } 86 87 /*** 88 * A suitable validator. 89 * 90 * @return "FileValidator" 91 */ 92 protected String getDefaultValidator() 93 { 94 return "org.apache.turbine.services.intake.validator.FileValidator"; 95 } 96 97 /*** 98 * Method called when this field (the group it belongs to) is 99 * pulled from the pool. The request data is searched to determine 100 * if a value has been supplied for this field. if so, the value 101 * is validated. 102 * 103 * @param data a <code>RunData</code> value 104 * @return a <code>Field</code> value 105 * @exception TurbineException if an error occurs 106 */ 107 public Field init(RunData data) 108 throws TurbineException 109 { 110 this.data = data; 111 valid_flag = true; 112 113 ParameterParser pp = data.getParameters(); 114 if ( pp.containsKey(getKey()) ) 115 { 116 set_flag = true; 117 validate(pp); 118 } 119 120 initialized = true; 121 return this; 122 } 123 124 /*** 125 * Compares request data with constraints and sets the valid flag. 126 */ 127 protected boolean validate(ParameterParser pp) 128 // throws TurbineException 129 { 130 if ( isMultiValued ) 131 { 132 FileItem[] ss = pp.getFileItems(getKey()); 133 // this definition of not set might need refined. But 134 // not sure the situation will arise. 135 if ( ss.length == 0 ) 136 { 137 set_flag = false; 138 } 139 140 if ( validator != null ) 141 { 142 for (int i=0; i<ss.length; i++) 143 { 144 try 145 { 146 ((FileValidator)validator).assertValidity(ss[i]); 147 } 148 catch (ValidationException ve) 149 { 150 setMessage(ve.getMessage()); 151 } 152 } 153 } 154 155 if ( set_flag && valid_flag ) 156 { 157 doSetValue(pp); 158 } 159 160 } 161 else 162 { 163 FileItem s = pp.getFileItem(getKey()); 164 if ( s == null || s.getSize() == 0 ) 165 { 166 set_flag = false; 167 } 168 169 if ( validator != null ) 170 { 171 try 172 { 173 ((FileValidator)validator).assertValidity(s); 174 175 if ( set_flag ) 176 { 177 doSetValue(pp); 178 } 179 } 180 catch (ValidationException ve) 181 { 182 setMessage(ve.getMessage()); 183 } 184 } 185 else if ( set_flag ) 186 { 187 doSetValue(pp); 188 } 189 } 190 191 return valid_flag; 192 } 193 194 /*** 195 * converts the parameter to the correct Object. 196 */ 197 protected void doSetValue(ParameterParser pp) 198 { 199 if ( isMultiValued ) 200 { 201 setTestValue(pp.getFileItems(getKey())); 202 } 203 else 204 { 205 setTestValue(pp.getFileItem(getKey())); 206 } 207 } 208 }

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